/* =========================================================================
   Super Commodity — Design System
   Prototipo HTML/CSS/JS para apresentação ao cliente
   ========================================================================= */

/* ---------- Reset minimalista ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; line-height: 1.5; color: var(--color-text); background: var(--color-bg); }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

/* ---------- Tokens ---------- */
:root {
  /* Brand */
  --brand-primary: #B5A363;
  --brand-primary-dark: #8F8049;
  --brand-secondary: #DAD6C6;
  --brand-bg: #F3F4EC;
  --brand-accent: #E8C547;
  --brand-text: #3D2817;

  /* Neutros (info.md) */
  --neutral-900: #000000;
  --neutral-700: #646464;
  --neutral-500: #999999;
  --neutral-400: #CCCCCC;
  --neutral-300: #DDDDDD;
  --neutral-200: #E5E7EB;
  --neutral-100: #F3F3F3;
  --neutral-0: #FFFFFF;

  /* Semantic */
  --color-text: var(--brand-text);
  --color-text-muted: var(--neutral-700);
  --color-text-subtle: var(--neutral-500);
  --color-bg: var(--neutral-0);
  --color-bg-alt: var(--brand-bg);
  --color-bg-muted: var(--neutral-100);
  --color-border: var(--neutral-200);
  --color-border-strong: var(--neutral-300);

  /* States */
  --color-success: #4A7C2A;
  --color-success-bg: #E8F0DD;
  --color-warning: #C77A1A;
  --color-warning-bg: #FBEFD9;
  --color-danger: #B23A48;
  --color-danger-bg: #F8E1E4;
  --color-info: #3A6FA8;
  --color-info-bg: #E0EBF7;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.10);

  /* Container */
  --container-max: 1280px;
  --container-padding: 16px;
}

@media (min-width: 768px) {
  :root { --container-padding: 24px; }
}
@media (min-width: 1024px) {
  :root { --container-padding: 32px; }
}

/* ---------- Tipografia ---------- */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--brand-text); }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.0625rem; }
h5 { font-size: 0.9375rem; }

.text-muted { color: var(--color-text-muted); }
.text-subtle { color: var(--color-text-subtle); }
.text-small { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-strong { font-weight: 600; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section { padding-block: var(--space-6); }
.section-lg { padding-block: var(--space-8); }

.stack > * + * { margin-top: var(--gap, var(--space-4)); }
.stack-sm { --gap: var(--space-2); }
.stack-md { --gap: var(--space-4); }
.stack-lg { --gap: var(--space-6); }

.row { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.row-tight { gap: var(--space-2); }
.row-between { justify-content: space-between; }
.row-center { align-items: center; }

.grid { display: grid; gap: var(--space-4); }
.grid-cards { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-cards-lg { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.grid-2 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Header ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--neutral-0);
  border-bottom: 1px solid var(--color-border);
}
.app-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}
.app-logo { display: flex; align-items: center; gap: var(--space-2); }
.app-logo img { height: 44px; width: auto; }
.app-nav {
  display: none;
  gap: var(--space-5);
  font-size: 0.9375rem;
  font-weight: 500;
}
.app-nav a { color: var(--color-text-muted); transition: color .15s; }
.app-nav a:hover, .app-nav a.is-active { color: var(--brand-text); }
@media (min-width: 768px) {
  .app-nav { display: flex; }
}
.app-header-actions { display: flex; align-items: center; gap: var(--space-2); }

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--color-bg-muted);
  cursor: pointer;
  transition: background .15s;
}
.user-menu:hover { background: var(--brand-secondary); }
.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: white;
  display: grid; place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.user-name { display: none; font-size: 0.875rem; font-weight: 500; }
@media (min-width: 640px) { .user-name { display: inline; } }

.menu-toggle {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  color: var(--brand-text);
}
@media (min-width: 768px) { .menu-toggle { display: none; } }

/* Mobile menu */
.mobile-menu {
  display: none;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
}
.mobile-menu.is-open { display: block; }
.mobile-menu a {
  display: block;
  padding: var(--space-3) 0;
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu a:last-child { border-bottom: none; }

/* ---------- Footer ---------- */
.app-footer {
  margin-top: var(--space-8);
  background: var(--brand-text);
  color: var(--neutral-100);
}
.app-footer-inner {
  padding-block: var(--space-7);
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .app-footer-inner { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.app-footer h5 { color: white; margin-bottom: var(--space-3); font-size: 0.875rem; text-transform: uppercase; letter-spacing: .05em; }
.app-footer a { color: var(--neutral-300); display: block; padding-block: var(--space-1); font-size: 0.9375rem; }
.app-footer a:hover { color: white; }
.app-footer-brand img { height: 56px; filter: brightness(0) invert(1); margin-bottom: var(--space-3); }
.app-footer-brand p { color: var(--neutral-300); font-size: 0.875rem; max-width: 320px; }
.app-footer-bottom {
  padding-block: var(--space-4);
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 0.8125rem;
  color: var(--neutral-400);
  text-align: center;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  transition: all .15s;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary { background: var(--brand-primary); color: white; }
.btn-primary:hover { background: var(--brand-primary-dark); }
.btn-secondary { background: var(--brand-text); color: white; }
.btn-secondary:hover { background: #2A1A0E; }
.btn-outline { background: transparent; color: var(--brand-text); border-color: var(--color-border-strong); }
.btn-outline:hover { background: var(--color-bg-muted); }
.btn-ghost { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover { background: var(--color-bg-muted); color: var(--brand-text); }
.btn-danger { background: var(--color-danger); color: white; }
.btn-danger:hover { background: #8E2D38; }
.btn-sm { padding: 6px 12px; font-size: 0.8125rem; }
.btn-lg { padding: 14px 24px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Cards ---------- */
.card {
  background: var(--neutral-0);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .15s, transform .15s;
}
.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-body { padding: var(--space-5); }
.card-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.card-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-muted);
}

/* Anuncio card específico */
.anuncio-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.anuncio-card-cover {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--brand-secondary), var(--brand-bg));
  display: grid; place-items: center;
  font-size: 3rem;
  color: var(--brand-primary);
  position: relative;
}
.anuncio-card-cover .badge { position: absolute; top: var(--space-3); left: var(--space-3); }
.anuncio-card-body { padding: var(--space-4); display: flex; flex-direction: column; flex: 1; gap: var(--space-2); }
.anuncio-card-title { font-size: 1rem; font-weight: 600; }
.anuncio-card-meta { font-size: 0.8125rem; color: var(--color-text-muted); display: flex; flex-wrap: wrap; gap: var(--space-2); }
.anuncio-card-price {
  margin-top: auto;
  padding-top: var(--space-3);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-text);
}
.anuncio-card-price small { font-size: 0.75rem; font-weight: 500; color: var(--color-text-muted); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-bg-muted);
  color: var(--color-text-muted);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.badge-primary { background: var(--brand-primary); color: white; }
.badge-secondary { background: var(--brand-secondary); color: var(--brand-text); }
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }
.badge-compra { background: #E0EBF7; color: #1F4D7A; }
.badge-venda { background: #F4E4D4; color: #8A4A1F; }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: var(--space-1); }
.field label { font-size: 0.875rem; font-weight: 500; color: var(--brand-text); }
.field-hint { font-size: 0.75rem; color: var(--color-text-subtle); }
.field-error { font-size: 0.75rem; color: var(--color-danger); }
.input, .select, .textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: white;
  color: var(--brand-text);
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(181, 163, 99, .2);
}
.textarea { min-height: 96px; resize: vertical; }
.input-group { display: flex; }
.input-group .input { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.input-group .btn { border-radius: 0 var(--radius-md) var(--radius-md) 0; }

.field-required label::after { content: ' *'; color: var(--color-danger); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--brand-bg) 0%, var(--neutral-0) 100%);
  padding-block: var(--space-7);
}
.hero-content { max-width: 720px; }
.hero h1 { font-size: 2.25rem; line-height: 1.1; margin-bottom: var(--space-3); }
@media (min-width: 768px) { .hero h1 { font-size: 3rem; } }
.hero p { font-size: 1.125rem; color: var(--color-text-muted); margin-bottom: var(--space-5); }

/* ---------- Filtros ---------- */
.filter-bar {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-5);
}
@media (min-width: 768px) {
  .filter-bar { grid-template-columns: 2fr 1fr 1fr 1fr auto; align-items: end; }
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-5);
  overflow-x: auto;
}
.tab {
  padding: var(--space-3) var(--space-4);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
.tab:hover { color: var(--brand-text); }
.tab.is-active { color: var(--brand-text); border-color: var(--brand-primary); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

/* ---------- Tabela ---------- */
.table-wrap {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.table { width: 100%; }
.table th, .table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}
.table th {
  background: var(--color-bg-muted);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--color-text-muted);
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--color-bg-muted); }
.table-overflow { overflow-x: auto; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 9px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--color-border);
}
.timeline-item { position: relative; padding-bottom: var(--space-5); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-marker {
  position: absolute;
  left: -28px; top: 4px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--neutral-300);
  border: 3px solid var(--neutral-0);
  box-shadow: 0 0 0 1px var(--color-border);
}
.timeline-item.is-done .timeline-marker { background: var(--color-success); box-shadow: 0 0 0 1px var(--color-success); }
.timeline-item.is-current .timeline-marker { background: var(--brand-primary); box-shadow: 0 0 0 1px var(--brand-primary); animation: pulse 2s infinite; }
.timeline-item.is-cancelled .timeline-marker { background: var(--color-danger); box-shadow: 0 0 0 1px var(--color-danger); }
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}
.timeline-title { font-weight: 600; font-size: 0.9375rem; }
.timeline-meta { font-size: 0.8125rem; color: var(--color-text-muted); margin-top: 2px; }
.timeline-body { font-size: 0.875rem; margin-top: var(--space-2); color: var(--color-text-muted); }

/* ---------- Chat ---------- */
.chat { display: flex; flex-direction: column; gap: var(--space-3); }
.chat-msg {
  max-width: 78%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
}
.chat-msg-meta { font-size: 0.75rem; color: var(--color-text-muted); margin-bottom: 4px; }
.chat-msg-content {}
.chat-msg-price {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px dashed rgba(0,0,0,.08);
  font-size: 0.875rem;
}
.chat-msg-price strong { font-size: 1.125rem; }
.chat-msg-mine { align-self: flex-end; background: var(--brand-primary); color: white; }
.chat-msg-mine .chat-msg-meta { color: rgba(255,255,255,.7); }
.chat-msg-theirs { align-self: flex-start; background: var(--color-bg-muted); color: var(--brand-text); }
.chat-msg-system {
  align-self: center;
  background: transparent;
  color: var(--color-text-subtle);
  font-size: 0.8125rem;
  font-style: italic;
}

/* ---------- Alert ---------- */
.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
}
.alert-info { background: var(--color-info-bg); border-color: var(--color-info); color: var(--color-info); }
.alert-success { background: var(--color-success-bg); border-color: var(--color-success); color: var(--color-success); }
.alert-warning { background: var(--color-warning-bg); border-color: var(--color-warning); color: var(--color-warning); }
.alert-danger { background: var(--color-danger-bg); border-color: var(--color-danger); color: var(--color-danger); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(61, 40, 23, .55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--space-4);
}
.modal-backdrop.is-open { display: flex; }
.modal {
  background: white;
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-body { padding: var(--space-5); }
.modal-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
  background: var(--color-bg-muted);
}

/* ---------- Utilitários ---------- */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.flex-1 { flex: 1; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.hidden { display: none; }
.bg-alt { background: var(--color-bg-alt); }

/* ---------- Page heading ---------- */
.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.page-heading h1 { font-size: 1.75rem; }
.page-heading-meta { color: var(--color-text-muted); font-size: 0.9375rem; margin-top: 4px; }
.breadcrumb {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--brand-text); }
.breadcrumb .sep { color: var(--color-text-subtle); }

/* ---------- KPI cards ---------- */
.kpi {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.kpi-label { font-size: 0.8125rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .03em; }
.kpi-value { font-size: 1.875rem; font-weight: 700; color: var(--brand-text); margin-top: var(--space-1); }
.kpi-delta { font-size: 0.8125rem; color: var(--color-success); margin-top: var(--space-1); }
.kpi-delta.is-down { color: var(--color-danger); }

/* ---------- Empty state ---------- */
.empty {
  padding: var(--space-7);
  text-align: center;
  color: var(--color-text-muted);
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
}
.empty-icon { font-size: 2.5rem; margin-bottom: var(--space-3); opacity: .4; }

/* ---------- Detail layout ---------- */
.detail-layout {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .detail-layout { grid-template-columns: 2fr 1fr; }
}

.kv { display: grid; gap: var(--space-2); }
.kv-row { display: flex; justify-content: space-between; gap: var(--space-3); padding: var(--space-2) 0; border-bottom: 1px solid var(--color-border); }
.kv-row:last-child { border-bottom: none; }
.kv-label { color: var(--color-text-muted); font-size: 0.875rem; }
.kv-value { font-weight: 500; text-align: right; font-size: 0.9375rem; }

/* ---------- Cadastro stepper ---------- */
.stepper {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  align-items: center;
}
.step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--color-text-subtle);
}
.step-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--neutral-200);
  font-weight: 600;
  font-size: 0.875rem;
}
.step.is-active .step-num { background: var(--brand-primary); color: white; }
.step.is-done .step-num { background: var(--color-success); color: white; }
.step.is-active { color: var(--brand-text); font-weight: 600; }
.step-sep { width: 32px; height: 1px; background: var(--color-border); }
@media (max-width: 640px) {
  .step-label { display: none; }
}

/* ---------- Mapa placeholder ---------- */
.map-placeholder {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #DAD6C6, #B5A363);
  border-radius: var(--radius-md);
  display: grid; place-items: center;
  color: white;
  font-size: 0.875rem;
  position: relative;
  overflow: hidden;
}
.map-placeholder::after {
  content: '📍';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem;
}

/* ---------- Demo banner (apenas no protótipo) ---------- */
.demo-banner {
  background: var(--brand-accent);
  color: var(--brand-text);
  padding: var(--space-2) var(--space-3);
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 500;
}
.demo-banner a { font-weight: 700; text-decoration: underline; }